Computer Science · May / June 2016 · Paper 11 · Question 7
2210
As printed in the paper
The question as text
Each seat on a flight is uniquely identified on an LCD above the seat. For example, seat 035C is shown as: The first three characters are digits that represent the row. The fourth character is the seat position in that row. This is a single letter, A to F, that is stored as a hexadecimal value. Each of the four display characters can be stored in a 4-bit register. For example, 0 and C would be represented as: 0 0 0 0 C: 1 1 0 0 8 4 2 1 0:
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
7(a)[2]
1 mark for each correct binary value 0 0 1 1 0 1 0 1 [2]
7(b)[2]
[2] 0 0 0 1 1 0 0 1 0 1 0 0 1 1 1 0 3 5 1 9 4 E 1 mark 1 mark
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